| 01. ofizialkidetasun (16 Letters) | 02. ofizialtasun (12 Letters) | 03. ofizialtza (10 Letters) |
| 04. ofizier (7 Letters) | 05. ofizio (6 Letters) | 06. ofizioso (8 Letters) |
| 07. ofiziozko (9 Letters) | 08. ofrenda (7 Letters) | 09. ofrendatu (9 Letters) |
| 10. oftalmia (8 Letters) | 11. oftalmologia (12 Letters) | 12. oftalmologiko (13 Letters) |
| 13. oftalmologo (11 Letters) | 14. ogale (5 Letters) | 15. ogasun (6 Letters) |
| 16. ogasundun (9 Letters) | 17. ogen (4 Letters) | 18. ogerleko (8 Letters) |
| 19. ogi (3 Letters) | 20. ogi arraila (11 Letters) | 21. ogi kosko (9 Letters) |
| 22. ogi kozkor (10 Letters) | 23. ogi mokor (9 Letters) | 24. ogi-uzte (8 Letters) |
| 25. ogi-zuhaitz (11 Letters) | 26. ogibide (7 Letters) | 27. ogibihi (7 Letters) |
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| 28. ogidun (6 Letters) | 29. ogigazta (8 Letters) | 30. ogijale (7 Letters) |
| 31. ogijotze (8 Letters) | 32. ogiketa (7 Letters) | 33. ogiko (5 Letters) |
| 34. ogipeko (7 Letters) | 35. ogirin (6 Letters) | 36. ogisaltzaile (12 Letters) |
| 37. ogitarteko (10 Letters) | 38. ogite (5 Letters) | 39. ogitegi (7 Letters) |
| 40. ogitsu (6 Letters) | 41. ogitu (5 Letters) | 42. ogitze (6 Letters) |
| 43. ogro (4 Letters) | 44. ogu(t)zi (16 Letters) | 45. oguzi (5 Letters) |
| 46. oguzkera (8 Letters) | 47. oh (2 Letters) | 48. ohaburu (7 Letters) |
| 49. ohaburuko (9 Letters) | 50. ohaide (6 Letters) | 51. ohaidetasun (11 Letters) |
| 52. ohaidetu (8 Letters) | 53. ohantze (7 Letters) | 54. ohape (5 Letters) |
| 55. ohapeko (7 Letters) | 56. ohar (4 Letters) | 57. ohara (5 Letters) |
| 58. ohargarri (9 Letters) | 59. ohargarriki (11 Letters) | 60. ohargarritasun (14 Letters) |
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